PureTech Health

PRTC • NASDAQ

PureTech Health is a publicly traded company on NASDAQ. As of Q3 2025, 7 institutional investors hold shares in this company, with total holdings valued at $20.6M. LANSDOWNE PARTNERS LLP is the largest holder with a position valued at $18.8M.

Employees90.0

Websitepuretechhealth.com

Overview

Overview of institutional ownership in PRTC as of Q3 2025

All Institutions

Institutions: 7
Value Held: $20.6M
Shares Held: 14.2M
Avg Position: $2.9M
Median Position: $135.5K

Hedge Funds

Hedge Funds: 4
Value Held: $20.6M
Shares Held: 14.2M
Avg Position: $5.2M
Median Position: $858.0K

Biggest Investors

Institutions with the largest positions in PRTC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
LANSDOWNE PARTNERS LLP Hedge Fund•Long/Short	Richard Brian Heyworth CEO	$18.8M 1.56% of portfolio	0.00% 14.1M shares	Q3 2025 Held for 2 months	$1.2B
Pentwater Capital Management LP Hedge Fund•Event Driven	Matthew Charles Halbower CEO	$1.4M 0.01% of portfolio	0.00% 75.0K shares	Q4 2023 Held for 1y 11m	$10.6B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$328.5K 0.00% of portfolio	0.00% 17.8K shares	Q4 2024 Held for 11 months	$121.98B
DIADEMA PARTNERS LP Hedge Fund•Long/Short	Timothy Beau Bassett CIO	$135.5K 0.09% of portfolio	0.00% 7.3K shares	Q2 2025 Held for 5 months	$143.3M
P Persistent Asset Partners Ltd Institution	-	$31.2K 0.02% of portfolio	0.00% 1.7K shares	Q2 2025 Held for 5 months	$137.1M
UBS Group AG Institution	Sergio P. Ermotti CEO	$370.0 0.00% of portfolio	0.00% 20.0 shares	Q3 2022 Held for 3y 2m	$511.54B
S SBI Securities Co., Ltd. Institution	-	$37.0 0.00% of portfolio	0.00% 2.0 shares	Q3 2025 Held for 2 months	$3.9B
Union Bankshares Corp Institution	Maria Tedesco CEO	- 0.00% of portfolio	0.00% - shares	Q2 2025 Held for 5 months	$5.3B
Portolan Capital Management, LLC Hedge Fund•Long/Short	George Frederic Mccabe CIO	- 0.00% of portfolio	0.00% - shares	Q1 2025 Held for 8 months	$1.8B
B Birch Hill Investment Advisors LLC RIA/Wealth	Gary Richard Mikula President	- 0.00% of portfolio	0.00% - shares	Q2 2024 Held for 1y 5m	$2.4B

Net Capital Flow

Institutional buying and selling activity for PRTC in Q3 2025

Traded: +$18.2M
Buyers: 3
Sellers: 4
Total Bought: +$19.2M
Total Sold: −$1.0M
Avg Position: $2.1M

Biggest Buyers

Institution	Net Bought	Current Position
LANSDOWNE PARTNERS LLP Hedge Fund•Long/Short	+$18.8M +14.1M shares	$18.8M 14.1M shares
Pentwater Capital Management LP Hedge Fund•Event Driven	+$462.5K +25.0K shares	$1.4M 75.0K shares
S SBI Securities Co., Ltd. Institution	+$37.0 +2.0 shares	$37.0 2.0 shares

Biggest Sellers

Institution	Net Sold	Current Position
Portolan Capital Management, LLC Hedge Fund•Long/Short	−$479.5K −27.8K shares	Sold Off 0 shares
B Birch Hill Investment Advisors LLC RIA/Wealth	−$415.3K −242.7K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$110.8K −6.0K shares	$328.5K 17.8K shares
Union Bankshares Corp Institution	−$2.0K −115.0 shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited PRTC in Q3 2025

New Positions: 2
New Value: $18.8M
Exited Positions: 3
Exited Value: $896.8K

New Positions

Institution	Position Value
LANSDOWNE PARTNERS LLP Hedge Fund•Long/Short	$18.8M 14.1M shares
S SBI Securities Co., Ltd. Institution	$37.0 2.0 shares

Exited Positions

Institution	Previous Position
Portolan Capital Management, LLC Hedge Fund•Long/Short	$479.5K 27.8K shares
B Birch Hill Investment Advisors LLC RIA/Wealth	$415.3K 242.7K shares
Union Bankshares Corp Institution	$2.0K 115.0 shares

Options Activity

Institutions with the largest Call and Put options positions in PRTC as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with PRTC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
LANSDOWNE PARTNERS LLP Hedge Fund•Long/Short	Richard Brian Heyworth CEO	1.56% $18.8M	0.00% 14.1M shares	Q3 2025 Held for 2 months	$1.2B
DIADEMA PARTNERS LP Hedge Fund•Long/Short	Timothy Beau Bassett CIO	0.09% $135.5K	0.00% 7.3K shares	Q2 2025 Held for 5 months	$143.3M
P Persistent Asset Partners Ltd Institution	-	0.02% $31.2K	0.00% 1.7K shares	Q2 2025 Held for 5 months	$137.1M
Pentwater Capital Management LP Hedge Fund•Event Driven	Matthew Charles Halbower CEO	0.01% $1.4M	0.00% 75.0K shares	Q4 2023 Held for 1y 11m	$10.6B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	0.00% $328.5K	0.00% 17.8K shares	Q4 2024 Held for 11 months	$121.98B
S SBI Securities Co., Ltd. Institution	-	0.00% $37.0	0.00% 2.0 shares	Q3 2025 Held for 2 months	$3.9B
UBS Group AG Institution	Sergio P. Ermotti CEO	0.00% $370.0	0.00% 20.0 shares	Q3 2022 Held for 3y 2m	$511.54B
Union Bankshares Corp Institution	Maria Tedesco CEO	0.00% -	0.00% - shares	Q2 2025 Held for 5 months	$5.3B
Portolan Capital Management, LLC Hedge Fund•Long/Short	George Frederic Mccabe CIO	0.00% -	0.00% - shares	Q1 2025 Held for 8 months	$1.8B
B Birch Hill Investment Advisors LLC RIA/Wealth	Gary Richard Mikula President	0.00% -	0.00% - shares	Q2 2024 Held for 1y 5m	$2.4B

Hedge Fund Spotlight

Discover hedge funds investing in PRTC

DIADEMA PARTNERS LP

Hedge Fund • Long/Short

Portfolio ManagerTimothy Beau Bassett

Portfolio Value: $143.3M
Positions: 58
Last Reported: Q3 2025

Sector Allocation

Position in PureTech Health

Market Value: $135.5K
Shares Held: 7.3K
Portfolio Weight: 0.09%
Owned Since: 2025-Q2

Top Holding	Sector	Market Value	Weight
1 Regeneron Pharmaceuticals REGN	Biotechnology Healthcare	$17.0M	11.83%
2 Soleno Therapeutics SLNO	Biotechnology Healthcare	$12.0M	8.36%
3 BioMarin Pharmaceuticals BMRN	Biotechnology Healthcare	$11.5M	8.05%